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Cheap United Airlines flights

LHR
29 Apr — 6 May1
1 adult

United Airlines information

Discover detailed information about United Airlines flights, including average fare prices, reviews, and more. Flight info is based on data from user searches last updated on 24 April 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£43

Most Popular Route

PHX to LAX

Shortest flight

0h 51m

Longest Flight

20h 36m
Flying from Ontario to San Francisco
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Flying from Phoenix Sky Harbor Intl to Los Angeles
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Flying from Denver Intl to Colorado Springs
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Flying from Atlanta Hartsfield-Jackson to Edmonton
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Cheapest United Airlines flights
Explore the most affordable United Airlines flight options available. Find the lowest fares based on data from user searches, with prices last updated on 24 April 2025.

Tue 2/914:17CMH - EDI
1 stop13h 08mUnited Airlines
Thu 11/909:00EDI - CMH
2 stops34h 03mUnited Airlines
Deal found £556
Fri 5/910:35CMH - LHR
1 stop19h 05mUnited Airlines
Fri 12/914:05LHR - CMH
2 stops28h 10mUnited Airlines
Deal found £614
Mon 30/615:00CMH - MAN
2 stops13h 55mUnited Airlines
Sat 19/709:10MAN - CMH
2 stops35h 23mUnited Airlines
Deal found £1,020

United Airlines Reviews

Read reviews and feedback from other travellers about their experiences with United Airlines sourced from user searches. These reviews were last updated on 24 April 2025 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 858,174 searches.
United Airlines
7.4
Good
8,685 reviews
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Overview

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7
Pros +
  • "Everything was cool, smooth flight." (in 2442 reviews)
  • The flight arrived early and that was great (in 143 reviews)
  • Flight was quick and easy. (in 2395 reviews)
Cons -
  • Customer service was very poor. (in 236 reviews)
  • I will Never fly on them Again! (in 554 reviews)
  • Entertainment wasn’t working well at all (in 1245 reviews)

Frequently asked questions about United Airlines

  • What are the most popular United Airlines airports?

    The most popular airports for United Airlines are San Francisco, Newark, and Chicago O'Hare Intl according to our data. Flights to or from any of these airports should be available via United Airlines year-round.

  • What is United Airlines’s cheapest domestic flight?

    The cheapest domestic United Airlines flight is flying Ontario to San Francisco, which is £43. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is Burbank Bob Hope to San Francisco (0 stops) for £22.

  • What is United Airlines’s cheapest international flight?

    The least expensive round-trip international United Airlines flight is: -Vancouver Intl to Los Angeles, -0 stops, -£108 per ticket United Airlines has international one-way flights available, but the cheapest is a flight from Fort Lauderdale to Montreal Pierre Elliott Trudeau Intl for just £51. This flight has 1 stop.

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